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《Journal of Baoji University of Arts and Sciences(Natural Science Edition)》 2006-02
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Extraction method and anti-oxidation property of flavones from Lonicera Japonica Thunb's floral axises

LI Zhi-zhou(Dept.Chem.,Shaanxi Univ.Tech.,Hanzhong 723001,Shaanxi,China)  
Aim The optimum extraction conditions and anti-oxidation property of flavones from Lonicera japonica Thunb's floral axises are studied.Method The optimum extraction conditions was determined by the orthogonal experiment and supersonic of extraction,the anti-oxidation property to lard oil using storage in baking oven,the results of scavenging O-2 and ·OH are datermined by the system method of H2O2/Fe2+ and AP-TEMED.Results The optimum extraction conditions were 20 ℃,6 h,75% ethanol and the solid-liquid ratio 1∶30;the total flavones has obviously anti-oxidation property to lard oil and the scavenging ratio to ·OH was 50.22%,and to O-2 was 17.28%.Conclusion The effect of extraction was obvious under supersonic,the yield was 2.34%,but the time was only 50 min; the flavones from Lonicera Japonica Thunb's floral axises have certain anti-oxidation property to lard oil and obviously scavenging effects for O-2 and ·OH.
【Fund】: 陕西省教育厅重点科研项目(No.03Js027)
【CateGory Index】: R284;R285
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